反应详情

Following General Procedure A and using N-(3,5-difluorophenylacetyl)-L-alanine (from Example B2 above) and L-tyrosine methyl ester (Bachem), the title compound was prepared as a solid (mp=85-88° C.). The reaction was monitored by tlc (Rf=0.27 in 50% EtOAc/hexanes) and the product was purified by silica gel column chromatography.

1. customthe product was purified by silica gel column chromatography